Learning GNU Emacs - UNIX text processing (1st Edition). - Debra Cameron; Bill Rosenblatt (O'Reilly, 1992)

Learning GNU emacs - Unix text processing (2. ed.). - Debra Cameron; Bill Rosenblatt; Eric S. Raymond (O'Reilly, 1996)

Learning GNU Emacs - a guide to the world's most extensible customizable editor (3. ed.). - Debra Cameron; James Elliott; Marc Loy; Eric S. Raymond; Bill Rosenblatt (O'Reilly, 2005)